Charger, image forming apparatus and process cartridge

Details Charger, image forming apparatus and process cartridge Charger, image forming apparatus and process cartridge

2008-04-08

2008-04-08

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Charging

C399S171000, C399S172000, C399S173000

Reexamination Certificate

active

07356286

ABSTRACT:
A charger is opposed to a charging subject member and charges the charging subject member by generating corona discharge. The charger includes: a discharge electrode; and a pair of facing electrodes that are disposed to face with each other being the discharge electrode interposed therebetween and arranged to be distant from the discharge electrode, wherein the facing electrodes are arranged that an interval between the facing electrodes gradually decreases towards the charging subject member.

REFERENCES:
patent: 5781829 (1998-07-01), Wong et al.
patent: 7174114 (2007-02-01), Gila et al.
patent: 2003/0039485 (2003-02-01), Yoshiyama
patent: 2003/0185584 (2003-10-01), Hirose et al.
patent: 10-133550 (1998-05-01), None
patent: 2003-084632 (2003-03-01), None
patent: 2003-140438 (2003-05-01), None
patent: 2003-287993 (2003-10-01), None

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